Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 5.75
Milk (kg) -86.00 -0.014 1.20
Fat (kg) -5.14 -0.375 1.93
Prot (kg) -5.94 -0.441 2.62
Fertility Sub Index 3.83
Calving Interval (days) -2.59 -1.459 3.78
Survival (%) 0.05 1.117 0.06
Calving Sub Index 0.84
Gestation Length (days) -0.91 -0.919 0.84
Beef Sub Index 2.60
Carcass Weight (kg) -5.50 -0.528 2.90
Age of Slaughter (days) 0.69 -0.432 -0.30
Maintenance Sub Index Maint. Sub Index -0.12
Live WT (kg) 0.40 -0.307 -0.12
Total Carbon Sub Index 12.90

* Based on an €80/tonne carbon price